Food Grade Silicone Material - The ice cube mold is made of certified silicone, soft and durable, BPA free, not easy to break. . Reusable - The ice cube trays can be reused after cleaning and can withstand temperatures from -40 to 240. Suitable for dishwasher, refrigerator, microwave, etc. Each mold has 37 cubes for a total of 74 cubes, the each ice cube maximum W x H: 1.5cm x 2cm. You can DIY different flavors of an ice cube, enjoy your cool drink. . Stackable and Dustproof - Each ice cream mold comes with a silicone lid. Its main function is to help you stack molds to save space and protect ice cubes from contamination. Therefore, the lid cannot be closed tightly. . Ice Easy Release - The soft flexible silicone material of the ice cube shapes the bottom well, which makes it easy to release the ice cubes. And the package includes an ice cube clip, so you can easily pick up the ice cube. . Wide Application - These silicone ice cube molds can be widely used in restaurants, bars, homes, parties and other places. You can even use it to make baby food, cakes and more. .